cover -- 1871 (11 March) envelope registered to London, bearing 1867-80 1/- plate 4 cancelled by "BO1" with "CAIRO" c.d.s. alongside, 1874 (26 July) envelope to London, bearing 1865-67 4d. plate 13 (2) tied by "BO1" with "ALEXANDRIA" c.d.s. adjacent, also 1872 (11 Nov.) front to Liverpool bearing 1865-67 4d. plate 12 pair cancelled "BO1" and Egypt 1 pa. tied by "POSTE EGIZIANE/PORT SAID" c.d.s.; some faults